Color codes for Base HiFi amp connector - BMW 1 Series Coupe Forum / 1 Series Convertible Forum (1M / tii / 135i / 128i / Coupe / Cabrio / Hatchback) (BMW E82 E88 128i 130i 135i)
BMW E90 65.12 radio Amplifier module computer 6960925 | eBay
Amazon.com: Compatible with BMW E90 328i 335i Audio Compatible with Amplifier Compatible with AMP 65.12 HV 9143156 6512HV9143156 06-11 : Electronics